Electronic calculator



FIG. 1 is a front, right side, top perspective view of an electronic calculator showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a reference perspective view thereof with a cover attached behind; and

FIG. 9 is a reference perspective view thereof with a cover attached in front.

The portions in broken lines are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an electronic calculator, as shown and described. 